Alonso wins as title duo collide

Fernando Alonso wins in Japan as Felipe Massa cuts Lewis Hamilton's lead to five points after a clash between the title rivals.

news.bbc.co.uk

Forces to repay town's tributes

Members of the armed forces will parade through a Wiltshire town to thank residents for paying tribute to dead service personnel.

news.bbc.co.uk

Football fans killed in M1 crash

Three men are killed in a crash on the M1 motorway, on their way home from the England football match at Wembley.

news.bbc.co.uk

Sir Alan's crash landing mistake

Sir Alan Sugar tells investigators he should have aborted a landing in which he crashed his plane near Manchester.

news.bbc.co.uk

McCain in 'hatred' war of words

Republican presidential candidate John McCain clashes with a civil rights icon who accuses him of "sowing hatred".

news.bbc.co.uk

Taleban killed in Afghan battles

Dozens of Taleban militants are killed by security forces in fighting in southern Afghanistan, local and British officials say.

news.bbc.co.uk

Playing Palin

TV mimic gets viewers' vote of approval

news.bbc.co.uk

Brown urges eurozone to copy UK

Gordon Brown promises Britain will "lead the way" through the global financial crisis, ahead of an emergency EU summit in Paris.

news.bbc.co.uk

Witnesses saw pub murder vehicle

Strathclyde Police release details of the vehicle they believe was used in a double shooting outside a Glasgow pub.

news.bbc.co.uk

Five alive (just)

Rare, not well done - the species on the brink of extinction

news.bbc.co.uk

Win 'all important' for Capello

England coach Fabio Capello insists the winning result was the most important factor in his side's 5-1 victory over Kazakhstan, despite a laboured performance.

news.bbc.co.uk

Blast off: the space tourist and his £15m joyride

US space tourist Richard Garriott follows in the footsteps of his astronaut father as he blasts off into space.

news.bbc.co.uk

Britannia in Co-op merger talks

Britannia Building Society confirms it is in talks with Co-operative Financial Services that may lead to a merger.

news.bbc.co.uk

Boyd quits Scotland under Burley

Rangers striker Kris Boyd tells BBC Scotland he will not play for Scotland again under manager George Burley.

news.bbc.co.uk

Mike Baker

Are we asking too much of our teachers?

news.bbc.co.uk

Toddler killed in road accident

A two-year-old girl dies in hospital after being struck by a van in Newry, County Down, police say.

news.bbc.co.uk

Gold rush

Austria's mint flat out as investors seek safety

news.bbc.co.uk

Send your video, pictures and story ideas

Have you got a good story? BBC News wants to hear from you.

news.bbc.co.uk

N Korea hails terror list removal

North Korea welcomes a US decision to remove it from a list of sponsors of terrorism and agrees to allow nuclear access.

news.bbc.co.uk

Meter cheaters

How the energy thieves put their families at risk.

news.bbc.co.uk

Banks may get bail-out on Monday

UK banks may receive recapitalisation money from the government as soon as Monday morning.

news.bbc.co.uk

Bars facing ban on free alcohol

The drinks industry condemns draft government proposals which could ban bars from giving free alcohol to women.

news.bbc.co.uk

Police hunt woman's sex attacker

An investigation is under way after a woman was the victim of a serious sex attack in an alley early on Sunday.

news.bbc.co.uk

Nun, 106, to back Obama after not voting since 1952

A 106-year-old American nun living in a convent in Rome could well be the oldest person to vote in the 2008 US Presidential election and says she will support Barak Obama.

news.bbc.co.uk

Living in boxes

Has the desire for privacy driven us into tiny homes?

news.bbc.co.uk

 World Catalog > Games > Puzzles > Brain Teasers > Mathematical

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World Catalog > Games > Puzzles > Brain Teasers > Mathematical

Mathematical:

CellFighter

Shareware game based around an extension of the game of life.

http://www.cellfighter.com/conways-life-download.html

Graand

Free Classified Ads Portal

www.graand.com

IBM Research: Ponder This

Monthly logic and math puzzles set by IBM researchers with solutions.

http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/pages/index.html

Jim Loy's Puzzle Page

Classic and original puzzles.

http://www.jimloy.com/puzz/puzz.htm

Kakuro-san

Providing graded Kakuro puzzles every day, plus old puzzles.

http://www.kakurosan.com

Leisure Ideas: Puzzles

Some mathematical puzzles with answers and/or a hint.

http://www.leisureideas.com/logic%20puzzles.htm

Mathematical Jigsaw Puzzles

Information on polyominos and square puzzles.

http://home.hetnet.nl/~paslen/jigsawpuzzles.html

Monty Hall Game

JavaScript example of the Monty Hall Game. This game demonstrates the real (empirical) affect of statistics. [Does not display correctly in all browsers.]

http://montyhallgame.shawnolson.net/

The Monty Hall Problem

A probability theory puzzle with solutions. [English and German.]

http://www.remote.org/frederik/projects/ziege/

Perplexus

A forum and collection of brain teasers, logic problems, math problems, paradoxes, science games, probability, riddles, and geometric shapes. The puzzles are searchable and categorized, most have solutions.

http://perplexus.info/

The Puzzles of Oscar

Contains puzzles and games with solutions.

http://uk.geocities.com/oscarlagioia/riddles.html

Quick Logic Puzzles

Use the clues provided to deduce the correct sequence of numbers in the hidden code.

http://www.robertwilliams.org/qlp/index.html

TechInterview

Answers to technical interview questions, programming problems, and brain teasers.

http://www.techinterview.org/

The Truth Tree's Math and Logic Board

Collection of math and logic puzzles ranging in levels of difficulty.

http://www.truthtree.com/mathdoor.html

Two Envelope Paradox - Solution

Claims that the two envelope paradox comes from the incorrect use of probabilities.

http://www.anc.ed.ac.uk/~amos/doubleswapsoln.html

WU Forums

Discussion board hosted at Berkeley with talk about a variety of solved and unsolved brain teasers.

http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_hard

Living in boxes

Has the desire for privacy driven us into tiny homes?

news.bbc.co.uk

McCain in 'hatred' war of words

Republican presidential candidate John McCain clashes with a civil rights icon who accuses him of "sowing hatred".

news.bbc.co.uk

Britannia in Co-op merger talks

Britannia Building Society confirms it is in talks with Co-operative Financial Services that may lead to a merger.

news.bbc.co.uk

Toddler killed in road accident

A two-year-old girl dies in hospital after being struck by a van in Newry, County Down, police say.

news.bbc.co.uk

Football fans killed in M1 crash

Three men are killed in a crash on the M1 motorway, on their way home from the England football match at Wembley.

news.bbc.co.uk

N Korea hails terror list removal

North Korea welcomes a US decision to remove it from a list of sponsors of terrorism and agrees to allow nuclear access.

news.bbc.co.uk

Boyd quits Scotland under Burley

Rangers striker Kris Boyd tells BBC Scotland he will not play for Scotland again under manager George Burley.

news.bbc.co.uk

Five alive (just)

Rare, not well done - the species on the brink of extinction

news.bbc.co.uk

Forces to repay town's tributes

Members of the armed forces will parade through a Wiltshire town to thank residents for paying tribute to dead service personnel.

news.bbc.co.uk

Taleban killed in Afghan battles

Dozens of Taleban militants are killed by security forces in fighting in southern Afghanistan, local and British officials say.

news.bbc.co.uk

Police hunt woman's sex attacker

An investigation is under way after a woman was the victim of a serious sex attack in an alley early on Sunday.

news.bbc.co.uk

Playing Palin

TV mimic gets viewers' vote of approval

news.bbc.co.uk

Nun, 106, to back Obama after not voting since 1952

A 106-year-old American nun living in a convent in Rome could well be the oldest person to vote in the 2008 US Presidential election and says she will support Barak Obama.

news.bbc.co.uk

Gold rush

Austria's mint flat out as investors seek safety

news.bbc.co.uk

Meter cheaters

How the energy thieves put their families at risk.

news.bbc.co.uk

Blast off: the space tourist and his £15m joyride

US space tourist Richard Garriott follows in the footsteps of his astronaut father as he blasts off into space.

news.bbc.co.uk

Bars facing ban on free alcohol

The drinks industry condemns draft government proposals which could ban bars from giving free alcohol to women.

news.bbc.co.uk

Send your video, pictures and story ideas

Have you got a good story? BBC News wants to hear from you.

news.bbc.co.uk

Witnesses saw pub murder vehicle

Strathclyde Police release details of the vehicle they believe was used in a double shooting outside a Glasgow pub.

news.bbc.co.uk

Win 'all important' for Capello

England coach Fabio Capello insists the winning result was the most important factor in his side's 5-1 victory over Kazakhstan, despite a laboured performance.

news.bbc.co.uk

Sir Alan's crash landing mistake

Sir Alan Sugar tells investigators he should have aborted a landing in which he crashed his plane near Manchester.

news.bbc.co.uk

Banks may get bail-out on Monday

UK banks may receive recapitalisation money from the government as soon as Monday morning.

news.bbc.co.uk

Alonso wins as title duo collide

Fernando Alonso wins in Japan as Felipe Massa cuts Lewis Hamilton's lead to five points after a clash between the title rivals.

news.bbc.co.uk

Mike Baker

Are we asking too much of our teachers?

news.bbc.co.uk

Brown urges eurozone to copy UK

Gordon Brown promises Britain will "lead the way" through the global financial crisis, ahead of an emergency EU summit in Paris.

news.bbc.co.uk